rebaseline huge-image-viewport-scale.html

content/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 #include <stdint.h>
@@ skipping 503 matching lines @@
     render_widget_host_->SetView(this);
 
   // Let the page-level input event router know about our surface ID
   // namespace for surface-based hit testing.
   if (render_widget_host_->delegate() &&
       render_widget_host_->delegate()->GetInputEventRouter()) {
     render_widget_host_->delegate()
         ->GetInputEventRouter()
         ->AddSurfaceClientIdOwner(GetSurfaceClientId(), this);
   }
+
+  RenderViewHost* rvh = RenderViewHost::From(render_widget_host_);
+  if (rvh) {
+    WebPreferences prefs = rvh->GetWebkitPreferences();
+    // TODO(mostynb): actually use prefs.  Landing this as a separate CL
+    // first to rebaseline some unreliable layout tests.
+    (void)prefs;

[Avi (use Gerrit), 2016/07/20 18:25:36]

ignore_result() from base/macros.h?

[Mostyn Bramley-Moore, 2016/07/20 18:48:38]

Done.

+  }
 }
 
 RenderWidgetHostViewMac::~RenderWidgetHostViewMac() {
   display::Screen::GetScreen()->RemoveObserver(this);
 
   // This is being called from |cocoa_view_|'s destructor, so invalidate the
   // pointer.
   cocoa_view_ = nil;
 
   UnlockMouse();
@@ skipping 2693 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end